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Finding the Fourth Proportional to 512,876.20, 769,314.30 and 483,351.70

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Solution

The fourth proportional to 512,876.20, 769,314.30 and 483,351.70 is: 725,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,876.20 : 769,314.30 = 483,351.70 : x
  2. Step 2: Convert to fraction form
    512,876.20/769,314.30 = 483,351.70/x
  3. Step 3: Cross multiply
    512,876.20x = 769,314.30 × 483,351.70
  4. Step 4: Simplify right side
    512,876.20x = 371,849,374,739.31
  5. Step 5: Solve for x
    x = 371,849,374,739.31/512,876.20
  6. Step 6: Final answer
    x = 725,027.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.